Ahead of the storm’s arrival, officials in Southern California distributed sandbags, prepositioned rescue swimmers and told ...

Atmospheric rivers are long and relatively narrow bands of water vapor that form over an ocean. Some get the nickname ...

Heavy precipitation is falling mostly in mountain areas. A flood watch in also in effect for the coast of central California, ...

While the West Coast will feel the soggy effects of an atmospheric river this week, the system won’t bring any moisture into ...

Atmospheric rivers, also described as "rivers in the sky," cause more than 80 percent of all flooding damage across the West ...

A firehose of moisture will slowly creep southward through California and the West into this weekend. Debris flows, mud- and rockslides, and flooding are likely in Southern California, including burn ...

An expert at the Scripps Institution of Oceanography explains the weather phenomenon that can wreak havoc across California.

A series of atmospheric river storms are expected to slam the West Coast over the next few days and bring heavy rain to the ...

An atmospheric river has arrived in the Bay Area, with moderate to heavy rain expected to continue, along with increasing winds and thunderstorm chances.

Southern California's strongest atmospheric river storm of the winter is arriving Thursday, and it's expected to bring ...

It's a type of atmospheric river that forms a long ... heavy rains and landslides. In the West, atmospheric rivers approach from the Pacific Ocean, where they’ve collected tremendous amounts ...